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Effects of Copper Methionine on Serum Physico-Chemical Parameters in Simmental Steer
Author(s): 
Pages: 14-18
Year: Issue:  4
Journal: GUANGDONG TRACE ELEMENTS SCIENCE

Keyword:  西门塔尔牛蛋氨酸铜生化指标;
Abstract: 选用16头平均体质量420 kg、年龄2.5岁中国西门塔尔牛阉牛,采用随机区组设计分为4组,以混合精料和风干玉米秸秆为基础日粮,以蛋氨酸铜为铜源,在基础日粮中分别添加铜0、8、16和24 mg/kg,研究了蛋氨酸铜对西门塔尔牛血液指标的影响.结果表明,血清TG、GLU、TC、ALB和TP含量显著增加(P<0.05).24 mg/kg组SUN明显低于对照组(P<0.05).血清COT、GPT、AKP、ACP、LDH差异均不显著(P>0.05).血清Cp逐渐增加(P<0.05);SOD和GSH-px活性呈上升趋势,显著提高(P<0.05);MDA呈下降趋势(P<0.05).16 mg/kg和24mg/kg组血清铜含量显著高于对照和8 mg/kg组(P<0.05).根据试验结果,蛋氨酸铜添加量以8~16 mg/kg为宜.
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